Robtex

Up: 80.73.1.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 80.73.1.0/26
Down right: 80.73.1.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.73.1.0	PTR	0.1.73.80.triolan.net
80.73.1.1	A+PTR	ns1.sloboda.net
80.73.1.1	A	ns1.bi.com.ua
80.73.1.1	A	ns1.triolan.net
80.73.1.3	A+PTR	map-server.sloboda.net
80.73.1.3	A	service.triolan.com
80.73.1.3	A	map1.sloboda.net
80.73.1.4	PTR	k1.kharkov.tv
80.73.1.4	A	visti.tv
80.73.1.5	A+PTR	d5.sloboda.net
80.73.1.12	A	s2.sloboda.net
80.73.1.24	PTR	24.1.73.80.triolan.net
80.73.1.27	PTR	27.1.73.80.triolan.net
80.73.1.29	PTR	29.1.73.80.triolan.net
80.73.1.30	PTR	30.1.73.80.triolan.net
80.73.1.33	PTR	33.1.73.80.triolan.net
80.73.1.35	A	war.bi.com.ua
80.73.1.42	A	marchenko11.sloboda.net
80.73.1.50	PTR	video1.kharkov.tv
80.73.1.51	A+PTR	port.bi.com.ua
80.73.1.51	A	forum.bi.com.ua
80.73.1.54	PTR	microsof-855f04.sloboda.net
80.73.1.55	A+PTR	nonik.bi.com.ua
80.73.1.56	A+PTR	tema.bi.com.ua
80.73.1.57	A	fockteam.bi.com.ua
80.73.1.58	A	pi100n.bi.com.ua
80.73.1.61	A+PTR	kult.bi.com.ua
80.73.1.62	PTR	gate-metall.bi.com.ua
80.73.1.63	PTR	63.1.73.80.triolan.net
80.73.1.66	PTR	komp.sloboda.net
80.73.1.92	PTR	92.1.73.80.triolan.net
80.73.1.93	A	khadi.bi.com.ua
80.73.1.96	PTR	96.1.73.80.triolan.net
80.73.1.101	PTR	101.1.73.80.triolan.net
80.73.1.102	PTR	102.1.73.80.triolan.net
80.73.1.103	PTR	103.1.73.80.triolan.net
80.73.1.104	PTR	104.1.73.80.triolan.net
80.73.1.105	PTR	105.1.73.80.triolan.net
80.73.1.106	PTR	106.1.73.80.triolan.net
80.73.1.107	PTR	107.1.73.80.triolan.net
80.73.1.108	PTR	108.1.73.80.triolan.net
80.73.1.109	PTR	109.1.73.80.triolan.net
80.73.1.110	A+PTR	stas.sloboda.net
80.73.1.115	A+PTR	basil.bi.com.ua
80.73.1.124	PTR	marchenko11.sloboda.net
80.73.1.125	PTR	125.1.73.80.triolan.net
80.73.1.127	PTR	127.1.73.80.triolan.net